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ClinicalTrials.gov public records Last synced Oct 6, 2026, 9:22 AM EDT

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Showing 73–96 of 243 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: n-Acetylcysteine Clear all
Recruiting Phase 4 Interventional

Pilon Fracture With Intra-articular Injection of N-Acetylcysteine (Pilon NAC)

NCT03652753
View directory record Official record
Conditions
Pilon Fracture
Interventions
N-acetylcysteine, Saline
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Oct 6, 2026, 9:22 AM EDT
Active, not recruiting Not applicable Interventional

Obstructive Sleep Apnea (OSA) and Sex-Specific Responses to N-acetylcysteine (NAC)

NCT06311045
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
N-acetylcysteine (NAC), Placebo, Positive Airway Pressure (PAP) Therapy
Dietary Supplement · Procedure
Lead sponsor
NYU Langone Health
Other
Eligibility
55 Years to 75 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 24, 2026 · Synced Oct 6, 2026, 9:22 AM EDT
Not listed Phase 2 Interventional

Study of the Safety and Efficacy of Zoenasa® Versus Mesalamine Enema in Subjects With Left-Sided Ulcerative Colitis

NCT01586533
View directory record Official record
Conditions
Ulcerative Colitis, Left-sided Ulcerative Colitis, Distal Ulcerative Colitis
Interventions
Zoenasa-1:4, Mesalamine Enema
Drug
Lead sponsor
Altheus Therapeutics, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
45
States / cities
Birmingham, Alabama • Dothan, Alabama • Lakewood, Colorado + 39 more
Source: ClinicalTrials.gov public record
Updated Jan 8, 2014 · Synced Oct 6, 2026, 9:22 AM EDT
Completed Phase 1 Interventional

Open Label Study: Treatment of ALS Fatigue With PolyMVA

NCT04557410
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis
Interventions
PolyMVA
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
Not listed
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated May 27, 2021 · Synced Oct 6, 2026, 9:22 AM EDT
Terminated Not applicable Interventional Results available

N-Acetylcysteine for Patients With COPD and Chronic Bronchitis

NCT01739790
View directory record Official record
Conditions
COPD, Chronic Bronchitis
Interventions
N-Acetylcysteine, Placebo
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
40 Years to 85 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 13, 2017 · Synced Oct 6, 2026, 9:22 AM EDT
Active, not recruiting Early Phase 1 Interventional

Glutathione, Brain Metabolism and Inflammation in Alzheimer's Disease

NCT04740580
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Glycine, N-acetylcysteine, Alanine
Dietary Supplement
Lead sponsor
Baylor College of Medicine
Other
Eligibility
55 Years to 85 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 6, 2026, 9:22 AM EDT
Completed Not applicable Interventional Results available

Study of the Safety and Tolerability of AXA1125 and AXA1957 in Subjects With Non-Alcoholic Fatty Liver Disease (NAFLD)

NCT04073368
View directory record Official record
Conditions
NAFLD
Interventions
AXA1957, AXA1125, Placebo
Dietary Supplement
Lead sponsor
Axcella Health, Inc
Industry
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
18
States / cities
Chandler, Arizona • Tucson, Arizona • Huntington Park, California + 14 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2021 · Synced Oct 6, 2026, 9:22 AM EDT
Completed Not applicable Interventional Results available

Effect of Dietary Glycemic Index on Beta-cell Function

NCT01386645
View directory record Official record
Conditions
Impaired Glucose Tolerance, Oxidative Stress, Prediabetes, Impaired Fasting Glucose
Interventions
low glycemic index (LGI) diet, high glycemic index (HGI) diet plus placebo (PLAC), high glycemic index diet plus N-acetylcysteine
Other · Drug
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years to 65 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 12, 2020 · Synced Oct 6, 2026, 9:22 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Translational Neuropsychopharmacology Research of Nicotine Addiction

NCT02723162
View directory record Official record
Conditions
Nicotine Dependence, Cigarettes
Interventions
Varenicline (VRN), N-Acetylcysteine (NAC), Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 55 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 18, 2022 · Synced Oct 6, 2026, 9:22 AM EDT
Completed Phase 2 Interventional Results available

Acetylcysteine Rinse in Reducing Saliva Thickness and Mucositis in Patients With Head and Neck Cancer Undergoing Radiation Therapy

NCT02123511
View directory record Official record
Conditions
Mucositis, Oral Complications, Recurrent Adenoid Cystic Carcinoma of the Oral Cavity, Recurrent Basal Cell Carcinoma of the Lip, Recurrent Lymphoepithelioma of the Nasopharynx, Recurrent Lymphoepithelioma of the Oropharynx, Recurrent Mucoepidermoid Carcinoma of the Oral Cavity, Recurrent Salivary Gland Cancer, Recurrent Squamous Cell Carcinoma of the Larynx, Recurrent Squamous Cell Carcinoma of the Lip and Oral Cavity, Recurrent Squamous Cell Carcinoma of the Nasopharynx, Recurrent Squamous Cell Carcinoma of the Oropharynx, Recurrent Verrucous Carcinoma of the Larynx, Recurrent Verrucous Carcinoma of the Oral Cavity, Stage I Adenoid Cystic Carcinoma of the Oral Cavity, Stage I Basal Cell Carcinoma of the Lip, Stage I Lymphoepithelioma of the Nasopharynx, Stage I Lymphoepithelioma of the Oropharynx, Stage I Mucoepidermoid Carcinoma of the Oral Cavity, Stage I Salivary Gland Cancer, Stage I Squamous Cell Carcinoma of the Larynx, Stage I Squamous Cell Carcinoma of the Lip and Oral Cavity, Stage I Squamous Cell Carcinoma of the Nasopharynx, Stage I Squamous Cell Carcinoma of the Oropharynx, Stage I Verrucous Carcinoma of the Larynx, Stage I Verrucous Carcinoma of the Oral Cavity, Stage II Adenoid Cystic Carcinoma of the Oral Cavity, Stage II Basal Cell Carcinoma of the Lip, Stage II Lymphoepithelioma of the Nasopharynx, Stage II Lymphoepithelioma of the Oropharynx, Stage II Mucoepidermoid Carcinoma of the Oral Cavity, Stage II Salivary Gland Cancer, Stage II Squamous Cell Carcinoma of the Larynx, Stage II Squamous Cell Carcinoma of the Lip and Oral Cavity, Stage II Squamous Cell Carcinoma of the Nasopharynx, Stage II Squamous Cell Carcinoma of the Oropharynx, Stage II Verrucous Carcinoma of the Larynx, Stage II Verrucous Carcinoma of the Oral Cavity, Stage III Adenoid Cystic Carcinoma of the Oral Cavity, Stage III Basal Cell Carcinoma of the Lip, Stage III Lymphoepithelioma of the Nasopharynx, Stage III Lymphoepithelioma of the Oropharynx, Stage III Mucoepidermoid Carcinoma of the Oral Cavity, Stage III Salivary Gland Cancer, Stage III Squamous Cell Carcinoma of the Larynx, Stage III Squamous Cell Carcinoma of the Lip and Oral Cavity, Stage III Squamous Cell Carcinoma of the Nasopharynx, Stage III Squamous Cell Carcinoma of the Oropharynx, Stage III Verrucous Carcinoma of the Larynx, Stage III Verrucous Carcinoma of the Oral Cavity, Stage IV Lymphoepithelioma of the Nasopharynx, Stage IV Squamous Cell Carcinoma of the Nasopharynx, Stage IVA Adenoid Cystic Carcinoma of the Oral Cavity, Stage IVA Basal Cell Carcinoma of the Lip, Stage IVA Lymphoepithelioma of the Oropharynx, Stage IVA Mucoepidermoid Carcinoma of the Oral Cavity, Stage IVA Salivary Gland Cancer, Stage IVA Squamous Cell Carcinoma of the Larynx, Stage IVA Squamous Cell Carcinoma of the Lip and Oral Cavity, Stage IVA Squamous Cell Carcinoma of the Oropharynx, Stage IVA Verrucous Carcinoma of the Larynx, Stage IVA Verrucous Carcinoma of the Oral Cavity, Stage IVB Adenoid Cystic Carcinoma of the Oral Cavity, Stage IVB Basal Cell Carcinoma of the Lip, Stage IVB Lymphoepithelioma of the Oropharynx, Stage IVB Mucoepidermoid Carcinoma of the Oral Cavity, Stage IVB Salivary Gland Cancer, Stage IVB Squamous Cell Carcinoma of the Larynx, Stage IVB Squamous Cell Carcinoma of the Lip and Oral Cavity, Stage IVB Squamous Cell Carcinoma of the Oropharynx, Stage IVB Verrucous Carcinoma of the Larynx, Stage IVB Verrucous Carcinoma of the Oral Cavity, Stage IVC Adenoid Cystic Carcinoma of the Oral Cavity, Stage IVC Basal Cell Carcinoma of the Lip, Stage IVC Lymphoepithelioma of the Oropharynx, Stage IVC Mucoepidermoid Carcinoma of the Oral Cavity, Stage IVC Salivary Gland Cancer, Stage IVC Squamous Cell Carcinoma of the Larynx, Stage IVC Squamous Cell Carcinoma of the Lip and Oral Cavity, Stage IVC Squamous Cell Carcinoma of the Oropharynx, Stage IVC Verrucous Carcinoma of the Larynx, Stage IVC Verrucous Carcinoma of the Oral Cavity, Tongue Cancer
Interventions
acetylcysteine, placebo, quality-of-life assessment, questionnaire administration
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
5
States / cities
Scottsdale, Arizona • Rochester, Minnesota • Syracuse, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 30, 2019 · Synced Oct 6, 2026, 9:22 AM EDT
Terminated Phase 3 Interventional Results available

NAC for Head Trauma-induced Anosmia

NCT03680911
View directory record Official record
Conditions
Anosmia, Head Trauma
Interventions
N Acetyl Cysteine, Placebo oral capsule
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 4, 2021 · Synced Oct 6, 2026, 9:22 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Overcoming Membrane Transporters to Improve CNS Drug Delivery - Improving Brain Antioxidants After Traumatic Brain Injury

NCT01322009
View directory record Official record
Conditions
Pediatric Traumatic Brain Injury
Interventions
Probenecid and N-acetyl cysteine, Placebo
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
2 Years to 18 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 15, 2016 · Synced Oct 6, 2026, 9:22 AM EDT
Completed Phase 2 Interventional Results available

N-acetylcysteine (NAC) for Pediatric Obsessive-Compulsive Disorder

NCT01172275
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
N-Acetylcysteine, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
8 Years to 17 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 6, 2019 · Synced Oct 6, 2026, 9:22 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Clinical Trial for Alcohol Use Disorder and Post Traumatic Stress Disorder (PTSD)

NCT02966873
View directory record Official record
Conditions
Post Traumatic Stress Disorder (PTSD), Addiction, Alcohol Abuse
Interventions
N-Acetylcysteine (NAC) Treatment, Cognitive Behavioral Therapy (CBT), Inactive Placebo Oral Capsule, Functional magnetic resonance imaging (fMRI), Proton magnetic resonance spectroscopy (MRS) Imaging
Drug · Behavioral · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 70 Years
Enrollment
182 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
2
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 6, 2026, 9:22 AM EDT
Completed Phase 2 Interventional Results available

N-Acetylcysteine in Neonatal Congenital Heart Surgery (INACT Study)

NCT00374088
View directory record Official record
Conditions
Transposition of Great Vessels, Congenital Heart Disease
Interventions
N-acetylcysteine, Placebo
Drug
Lead sponsor
University of Michigan
Other
Eligibility
Up to 3 Months
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 19, 2012 · Synced Oct 6, 2026, 9:22 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of OP-101 After Intravenous Administration in Healthy Volunteers

NCT03500627
View directory record Official record
Conditions
Healthy
Interventions
OP-101
Drug
Lead sponsor
Orpheris, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 17, 2018 · Synced Oct 6, 2026, 9:22 AM EDT
Completed Phase 1 Interventional

Marijuana Cue-Reactivity & Seeking Behavior in Regular Cannabis Users

NCT03154580
View directory record Official record
Conditions
Marijuana Abuse
Interventions
N-acetyl cysteine
Drug
Lead sponsor
Wayne State University
Other
Eligibility
21 Years to 55 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 23, 2024 · Synced Oct 6, 2026, 9:22 AM EDT
Completed Phase 4 Interventional

Safety of Low Dose IV Contrast CT Scanning in Chronic Kidney Disease

NCT02476526
View directory record Official record
Conditions
Chronic Kidney Disease, Pulmonary Embolism, Renal Artery Stenosis, Pulmonary Cancer
Interventions
Low Volume iso-osmolar non-ionic radio contrast medium, Acetylcysteine Inhalation, Sodium Bicarbonate Solution, 64-MDCT Scanning
Drug · Procedure
Lead sponsor
VA Greater Los Angeles Healthcare System
Federal
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2017
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 28, 2017 · Synced Oct 6, 2026, 9:22 AM EDT
Completed Phase 2 Interventional Results available

N-Acetyl Cysteine and Aspirin as an Adjunctive Treatment for Bipolar Disorder

NCT01797575
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Aspirin, N-acetyl-cysteine (NAC), Sugar Pill
Drug · Dietary Supplement
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 30, 2018 · Synced Oct 6, 2026, 9:22 AM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Insulin Resistance Study

NCT00614757
View directory record Official record
Conditions
Insulin Resistance, Metabolic Syndrome x
Interventions
N-acetylcysteine 20% 4ml, N-acetylcysteine 20% in 4 ml
Drug
Lead sponsor
Midwest Biomedical Research
Other
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2013
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 26, 2012 · Synced Oct 6, 2026, 9:22 AM EDT
Not listed Phase 4 Interventional

Effect of Intravenous Acetadote on Incidence of Contrast Induced Nephropathy

NCT00939913
View directory record Official record
Conditions
Nephropathy
Interventions
intravenous NAC, Placebo
Drug
Lead sponsor
Ochsner Health System
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 18, 2009 · Synced Oct 6, 2026, 9:22 AM EDT
Withdrawn Phase 2Phase 3 Interventional

Treatment of Hemodialysis Catheter-Related Bacteremia

NCT02040818
View directory record Official record
Conditions
Hemodialysis Catheter-related Bacteremia
Interventions
tigecycline, N-acetylcysteine, heparin combination, guide-wire exchange
Drug · Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 100 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 8, 2015 · Synced Oct 6, 2026, 9:22 AM EDT
Completed Phase 4 Interventional Results available

Open-Label Study of N-Acetylcysteine in Children and Adolescents 5-17 With Bipolar Spectrum Disorders

NCT02357290
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Open-label Treatment with N-Acetylcysteine
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
5 Years to 17 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 4, 2019 · Synced Oct 6, 2026, 9:22 AM EDT
Terminated Phase 4 Interventional Results available

Inpatient Clinical Trial of NAC

NCT03581084
View directory record Official record
Conditions
Asthma
Interventions
N-acetylcysteine
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 80 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 26, 2021 · Synced Oct 6, 2026, 9:22 AM EDT